path: root/include/uapi/rdma/ib_user_verbs.h

/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
/*
 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
 * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
 * Copyright (c) 2005 PathScale, Inc.  All rights reserved.
 * Copyright (c) 2006 Mellanox Technologies.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef IB_USER_VERBS_H
#define IB_USER_VERBS_H

#include <linux/types.h>

/*
 * Increment this value if any changes that break userspace ABI
 * compatibility are made.
 */
#define IB_USER_VERBS_ABI_VERSION	6
#define IB_USER_VERBS_CMD_THRESHOLD    50

enum ib_uverbs_write_cmds {
	IB_USER_VERBS_CMD_GET_CONTEXT,
	IB_USER_VERBS_CMD_QUERY_DEVICE,
	IB_USER_VERBS_CMD_QUERY_PORT,
	IB_USER_VERBS_CMD_ALLOC_PD,
	IB_USER_VERBS_CMD_DEALLOC_PD,
	IB_USER_VERBS_CMD_CREATE_AH,
	IB_USER_VERBS_CMD_MODIFY_AH,
	IB_USER_VERBS_CMD_QUERY_AH,
	IB_USER_VERBS_CMD_DESTROY_AH,
	IB_USER_VERBS_CMD_REG_MR,
	IB_USER_VERBS_CMD_REG_SMR,
	IB_USER_VERBS_CMD_REREG_MR,
	IB_USER_VERBS_CMD_QUERY_MR,
	IB_USER_VERBS_CMD_DEREG_MR,
	IB_USER_VERBS_CMD_ALLOC_MW,
	IB_USER_VERBS_CMD_BIND_MW,
	IB_USER_VERBS_CMD_DEALLOC_MW,
	IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
	IB_USER_VERBS_CMD_CREATE_CQ,
	IB_USER_VERBS_CMD_RESIZE_CQ,
	IB_USER_VERBS_CMD_DESTROY_CQ,
	IB_USER_VERBS_CMD_POLL_CQ,
	IB_USER_VERBS_CMD_PEEK_CQ,
	IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
	IB_USER_VERBS_CMD_CREATE_QP,
	IB_USER_VERBS_CMD_QUERY_QP,
	IB_USER_VERBS_CMD_MODIFY_QP,
	IB_USER_VERBS_CMD_DESTROY_QP,
	IB_USER_VERBS_CMD_POST_SEND,
	IB_USER_VERBS_CMD_POST_RECV,
	IB_USER_VERBS_CMD_ATTACH_MCAST,
	IB_USER_VERBS_CMD_DETACH_MCAST,
	IB_USER_VERBS_CMD_CREATE_SRQ,
	IB_USER_VERBS_CMD_MODIFY_SRQ,
	IB_USER_VERBS_CMD_QUERY_SRQ,
	IB_USER_VERBS_CMD_DESTROY_SRQ,
	IB_USER_VERBS_CMD_POST_SRQ_RECV,
	IB_USER_VERBS_CMD_OPEN_XRCD,
	IB_USER_VERBS_CMD_CLOSE_XRCD,
	IB_USER_VERBS_CMD_CREATE_XSRQ,
	IB_USER_VERBS_CMD_OPEN_QP,
};

enum {
	IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
	IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
	IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP,
	IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP,
	IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
	IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
	IB_USER_VERBS_EX_CMD_CREATE_WQ,
	IB_USER_VERBS_EX_CMD_MODIFY_WQ,
	IB_USER_VERBS_EX_CMD_DESTROY_WQ,
	IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
	IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL,
	IB_USER_VERBS_EX_CMD_MODIFY_CQ
};

/* see IBA A19.4.1.1 Placement Types */
enum ib_placement_type {
	IB_FLUSH_GLOBAL = 1U << 0,
	IB_FLUSH_PERSISTENT = 1U << 1,
};

/* see IBA A19.4.1.2 Selectivity Level */
enum ib_selectivity_level {
	IB_FLUSH_RANGE = 0,
	IB_FLUSH_MR,
};

/*
 * Make sure that all structs defined in this file remain laid out so
 * that they pack the same way on 32-bit and 64-bit architectures (to
 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 * Specifically:
 *  - Do not use pointer types -- pass pointers in __u64 instead.
 *  - Make sure that any structure larger than 4 bytes is padded to a
 *    multiple of 8 bytes.  Otherwise the structure size will be
 *    different between 32-bit and 64-bit architectures.
 */

struct ib_uverbs_async_event_desc {
	__aligned_u64 element;
	__u32 event_type;	/* enum ib_event_type */
	__u32 reserved